//设置变量
@bg-color:#b7d4a8;

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font: bold 20px "Courier";
}

#main{
    width: 360px;
    height: 420px;
    background-color: @bg-color;
    margin: 100px auto;
    border: 10px solid black;
    border-radius: 40px;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: space-around;
}

#stage{
    width: 304px;
    height: 304px;
    border: 2px solid black;
    position: relative;
    
}
#snake>div{
    width: 10px;
    height: 10px;
    background-color: black;
    border: 1px solid @bg-color;
    position: absolute;
}
#food{
    width: 10px;
    height: 10px;
    background-color: black;
    border: 1px solid @bg-color;
    position: absolute;
    left: 40px;
    top: 100px;
}



#score-panel{
    width: 300px;
    display: flex;
    justify-content: space-between;
}



